Critical severity9.9NVD Advisory· Published Mar 11, 2021· Updated Aug 19, 2026
CVE-2021-26867
CVE-2021-26867
Description
Windows Hyper-V Remote Code Execution Vulnerability
Affected products
9cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*+ 3 more
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2News mentions
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